Implementation of Ring-Oscillators-Based Physical Unclonable Functions with Independent Bits in the Response

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left" rowspan="2">Response no. 1 (only the PUF)</td><td align="center">ea09ebf9ea09ebfbea09e<b>b</b>59ebfbeb79</td></tr><tr><td align="center">ea09ebfbfffffbffeb79ea49ebfb0001</td></tr><tr><td align="left" rowspan="2"> Response no. 2 (PUF and counter)</td><td align="center">ea09ebf9ea09ebfbea09ea<b>6</b>9ebfbeb79</td></tr><tr><td align="center">ea09ebfbfffffbffeb79ea49ebfb0001</td></tr><tr><td align="left" rowspan="2">Response no. 3 (only the PUF and an extra output)</td><td align="center">ea09ebf9ea09ebfbea09ea59ebfbeb79</td></tr><tr><td align="center">ea09ebfbfffffbffeb79ea<b>1</b>9<b>f</b>bfb0001</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

RO PUF responses for three projects implemented in the same device (ROs and race arbiter were constrained).

International Journal of Reconfigurable Computing

tab2

Table 2

Table 2: Implementation of Ring-Oscillators-Based Physical Unclonable Functions with Independent Bits in the Response 